ACS8509 Semtech Corporation, ACS8509 Datasheet - Page 19

• Manufacturer Part Number: ACS8509
• Description: Synchronous Equipment Timing Source for Sonet or SDH Network Elements
• Manufacturer: Semtech Corporation

Table 13 Register Map
Revision 2.00/January 2006 © Semtech Corp.
ADVANCED COMMUNICATIONS
(Hex)
Addr
00
01
02
03
04
05
06
08
09
0A
0B
0C
0D
07
0E
0F
13
15
16
1B
1D
1E
26
27
2A
2C
chip_id
(read only)
chip_revision
(read only)
cnfg_control1
(read/write)
cnfg_control2
(read/write)
sts_interrupts
(read/write)
sts_T4_inputs
(read/write)
sts_operating_mode
(read only)
sts_priority_table
(read only)
sts_curr_inc_offset
(read only)
sts_sources_valid
(read only)
sts_reference_sources
(read/write)
cnfg_ref_selection_
priority
(read/write)
cnfg_ref_source_
frequency
(read/write)
Register Name
<SEC2>
valid
change
Operating
mode
<SEC2>
divn
divn
divn
divn
7 (msb)
3rd highest priority valid source
programmed_priority <SEC2>
Highest priority valid source
<SEC1>
valid
change
Main ref.
failed
<SEC1>
lock8k
lock8k
lock8k
lock8k
6
status <SEC2>
Multiple
E1/T1 O/P
bucket_id <SEC1>(1:0)
bucket_id <SEC2>(1:0)
bucket_id <SEC3>(1:0)
bucket_id <SEC4>(1:0)
FINAL
Page 19
5
Phase loss flag limit
Current increment offset (15:8)
Current increment offset (7:0)
Device part number (15:8)
Chip revision number (7:0)
Analog
div sync
<SEC4>
valid
change
T4 ref failed
<SEC4>
Device part number (7:0)
4
Data Bit
Set to 0
3
reference_source_frequency <SEC1>(3:0)
reference_source_frequency <SEC2>(3:0)
reference_source_frequency <SEC3>(3:0)
reference_source_frequency <SEC4>(3:0)
Currently selected reference source
2nd highest priority valid source
programmed_priority <SEC1>
programmed_priority <SEC3>
programmed_priority <SEC4>
8k Edge
Polarity
Set to 0
<SEC3>
valid
change
<SEC3>
Current increment offset (18:16)
ACS8509 SETS
2
status <SEC1>
status <SEC3>
status <SEC4>
Operating mode (2:0)
Set to 0
Set to 1
1
DATASHEET
www.semtech.com
Set to 0
Set to 0
0 (lsb)